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https://github.com/timescale/timescaledb.git
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db82c25d44
This change adds a new function that will invoke the passed in command on any specified backend servers (defaulting to all). The command will be run asynchronously with transactional semantics (it either succeeds on all targets or is rolled back).
53 lines
1.4 KiB
SQL
53 lines
1.4 KiB
SQL
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\c :TEST_DBNAME :ROLE_SUPERUSER
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CREATE DATABASE server1;
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SELECT * FROM add_server('server1', 'localhost', 'server1', port=>current_setting('port')::integer);
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CREATE DATABASE server2;
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SELECT * FROM add_server('server2', 'localhost', 'server2', port=>current_setting('port')::integer);
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CREATE DATABASE server3;
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SELECT * FROM add_server('server3', 'localhost', 'server3', port=>current_setting('port')::integer);
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\des+
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CREATE FUNCTION _timescaledb_internal.invoke_distributed_commands()
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RETURNS void
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AS :TSL_MODULE_PATHNAME, 'tsl_invoke_distributed_commands'
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LANGUAGE C STRICT;
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CREATE FUNCTION _timescaledb_internal.invoke_faulty_distributed_command()
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RETURNS void
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AS :TSL_MODULE_PATHNAME, 'tsl_invoke_faulty_distributed_command'
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LANGUAGE C STRICT;
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SELECT _timescaledb_internal.invoke_distributed_commands();
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\c server1
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\dt
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SELECT * FROM disttable1;
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\c server2
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\dt
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SELECT * FROM disttable1;
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\c server3
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\dt
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SELECT * FROM disttable1;
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\c single
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-- Verify failed insert command gets fully rolled back
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\set ON_ERROR_STOP 0
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SELECT _timescaledb_internal.invoke_faulty_distributed_command();
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\set ON_ERROR_STOP 1
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\c server1
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SELECT * from disttable2;
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\c server3
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SELECT * from disttable2;
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\c single
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DROP DATABASE server1;
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DROP DATABASE server2;
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DROP DATABASE server3;
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